blob: e1105b90e9ad458f4816dfc5d525aa5e4247813d [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "athena/system/power_button_controller.h"
#include "athena/screen/public/screen_manager.h"
#include "athena/strings/grit/athena_strings.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/font_list.h"
#include "ui/views/background.h"
#include "ui/views/border.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/widget/widget.h"
namespace athena {
namespace {
// The amount of time that the power button must be held to show the shutdown
// warning dialog.
const int kShowShutdownWarningTimeoutMs = 1000;
// The amount of time that the power button must be held to shut down the
// device.
const int kShutdownTimeoutMs = 5000;
} // namespace
PowerButtonController::PowerButtonController(aura::Window* dialog_container)
: warning_message_container_(dialog_container),
brightness_is_zero_(false),
state_(STATE_OTHER) {
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
this);
}
PowerButtonController::~PowerButtonController() {
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(
this);
}
void PowerButtonController::ShowShutdownWarningDialog() {
state_ = STATE_SHUTDOWN_WARNING_VISIBLE;
shutdown_warning_message_.reset(new views::Widget);
views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.parent = warning_message_container_;
shutdown_warning_message_->Init(params);
views::Label* label =
new views::Label(l10n_util::GetStringUTF16(IDS_ATHENA_SHUTDOWN_WARNING));
label->SetBackgroundColor(SK_ColorWHITE);
label->SetFontList(gfx::FontList().DeriveWithStyle(gfx::Font::BOLD));
views::View* container = new views::View;
container->AddChildView(label);
const int kBorderSpacing = 50;
container->SetLayoutManager(new views::BoxLayout(
views::BoxLayout::kHorizontal, kBorderSpacing, kBorderSpacing, 0));
container->set_background(
views::Background::CreateSolidBackground(SK_ColorWHITE));
container->SetBorder(views::Border::CreateSolidBorder(1, SK_ColorBLACK));
shutdown_warning_message_->SetContentsView(container);
shutdown_warning_message_->CenterWindow(container->GetPreferredSize());
shutdown_warning_message_->Show();
timer_.Start(FROM_HERE,
base::TimeDelta::FromMilliseconds(kShutdownTimeoutMs -
kShowShutdownWarningTimeoutMs),
this,
&PowerButtonController::Shutdown);
}
void PowerButtonController::Shutdown() {
state_ = STATE_SHUTDOWN_REQUESTED;
chromeos::DBusThreadManager::Get()
->GetPowerManagerClient()
->RequestShutdown();
}
void PowerButtonController::BrightnessChanged(int level, bool user_initiated) {
if (brightness_is_zero_)
zero_brightness_end_time_ = base::TimeTicks::Now();
brightness_is_zero_ = (level == 0);
}
void PowerButtonController::PowerButtonEventReceived(
bool down,
const base::TimeTicks& timestamp) {
if (state_ == STATE_SHUTDOWN_REQUESTED)
return;
// Avoid requesting suspend or shutdown if the power button is pressed while
// the screen is off (http://crbug.com/128451).
base::TimeDelta time_since_zero_brightness = brightness_is_zero_ ?
base::TimeDelta() : (base::TimeTicks::Now() - zero_brightness_end_time_);
const int kShortTimeMs = 10;
if (time_since_zero_brightness.InMilliseconds() <= kShortTimeMs)
return;
if (down) {
state_ = STATE_SUSPEND_ON_RELEASE;
timer_.Start(
FROM_HERE,
base::TimeDelta::FromMilliseconds(kShowShutdownWarningTimeoutMs),
this,
&PowerButtonController::ShowShutdownWarningDialog);
} else {
if (state_ == STATE_SUSPEND_ON_RELEASE) {
chromeos::DBusThreadManager::Get()
->GetPowerManagerClient()
->RequestSuspend();
}
state_ = STATE_OTHER;
timer_.Stop();
shutdown_warning_message_.reset();
}
}
} // namespace athena